TREA

Hisatoshi Shibuya

Follow

Person

  • Tokyo, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Retractable writing implement
    • Patent number 7,972,072
    • Issue date Jul 5, 2011
    • Zebra Co., Ltd.
    • Matsuhei Toyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    RETRACTABLE WRITING IMPLEMENT
    • Publication number 20100183356
    • Publication date Jul 22, 2010
    • ZEBRA CO., LTD.
    • Matsuhei Toyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES